Examinando por Autor "Massi, M."

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    Comparative studies of the feed gas composition effects on the characteristics of DLC films deposited by magnetron sputtering
    (ELSEVIER SCIENCE SA, 2004-07-01) Libardi, J.; Grigorov, K.; Massi, M.; Otani, C.; Ravagnani, S.P.; Maciel, H.S.; Guerino, M.; Ocampo, J.M.J.; Libardi, J.; Grigorov, K.; Massi, M.; Otani, C.; Ravagnani, S.P.; Maciel, H.S.; Guerino, M.; Ocampo, J.M.J.; Universidad EAFIT. Departamento de Ciencias; Electromagnetismo Aplicado (Gema)
    Mixtures of acetylene/argon and methane/argon with different volume percents of hydrocarbon were used as the precursor gas to grow DLC films, keeping constant the other process parameters. The substrates used were p-type (100) silicon wafers. The films were characterized by Raman spectroscopy, nanoindentation, atomic force microscopy (AFM) and by a profilometer. In order to grow DLC films with special properties that could make this material an alternative candidate for applications in micro-electromechanical systems (MEMS) production, a comparative analysis focused on the influence of the hydrocarbon precursor gas mixture on the mechanical and chemical properties of the DLC films is reported. © 2004 Elsevier B.V. All rights reserved.